Feature: 1. Part Number: Manufactured according to strict original specifications, ignition coil OEM numbers are 339 856991A1, 339 850227, 18 5187. 2. Applicable Model: Fit for EFI 200 6 Cyl 2.5L 1998‑2006; Fit for EFI 225 6 Cyl 3.0L 1998‑2006; Fit for Optimax 135 150 175 6 Cylinder 2.5L; Fit for Sport Jet 250 6 Cyl 3.0L 2002‑2006. 3. Function: Converts the low voltage current of the vehicle to a high voltage current. Improve combustion efficiency, enhance ignition energy, easy to start. 4. Ideal Replacement: Meet or exceed OEM manufacturing standards, designed to match the fit and function of the original ignition coil. 5. Durable Material: Made of quality ABS material, the shell is sturdy and durable, with excellent waterproof performance, can adapt to wet and harsh working environment. Specification: Item Type: Ignition Coil Material: ABS OEM: 339 856991A1, 339 850227, 18 5187 Fitment: Fit for EFI 200 6 Cyl 2.5L 1998-2006 Fit for Optimax 135 6 Cyl 2.5L 1998-2006 Fit for Optimax 150 6 Cyl 2.5L 1998-2006 Fit for Optimax 175 6 Cyl 2.5L 2001-2006 Fit for EFI 225 6 Cyl 3.0L 1998-2006 Fit for Sport Jet 250 6 Cyl 3.0L 2002-2006 . Package List: 1 x Ignition Coil Note: 1. Please double check the part number of your item, matching information is for reference only.2. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!